基本解释n.肛门同根派生 英汉例句用作名词 (n.)The coccyx also supports the position of the anus.尾椎骨还对于肛门的部位起到了支撑。He washes his intestines by means of a bamboo tube through his anus.他依靠一根竹管子穿过肛门来清洗内脏。